20173013900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3463}}^1\times {\mathrm{4481}}^1$

素因数の和:7971

約数の個数: 72

約数和(自身を含む): 47166918624

約数和(自身を除く): 26993904724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3463, 4481, 6926, 8962, 13852, 17315, 17924, 22405, 34630, 44810, 45019, 58253, 69260, 86575, 89620, 90038, 112025, 116506, 173150, 180076, 224050, 225095, 233012, 291265, 346300, 448100, 450190, 582530, 900380, 1125475, 1165060, 1456325, 2250950, 2912650, 4501900, 5825300, 15517703, 31035406, 62070812, 77588515, 155177030, 201730139, 310354060, 387942575, 403460278, 775885150, 806920556, 1008650695, 1551770300, 2017301390, 4034602780, 5043253475, 10086506950, 20173013900]

約数ペア:

[(1, 20173013900), (2, 10086506950), (4, 5043253475), (5, 4034602780), (10, 2017301390), (13, 1551770300), (20, 1008650695), (25, 806920556), (26, 775885150), (50, 403460278), (52, 387942575), (65, 310354060), (100, 201730139), (130, 155177030), (260, 77588515), (325, 62070812), (650, 31035406), (1300, 15517703), (3463, 5825300), (4481, 4501900), (6926, 2912650), (8962, 2250950), (13852, 1456325), (17315, 1165060), (17924, 1125475), (22405, 900380), (34630, 582530), (44810, 450190), (45019, 448100), (58253, 346300), (69260, 291265), (86575, 233012), (89620, 225095), (90038, 224050), (112025, 180076), (116506, 173150)]